package com.wechat.order.controller.weChatController;

import com.wechat.order.enums.ResultEnum;
import com.wechat.order.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;


import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * 微信授权同一控制入口
 * Created by zzy on 2017/12/17.
 */
@Controller
@Slf4j
@RequestMapping("/weChat")
public class WeChatController {

    @Autowired
    private WxMpService wxMpService;
    @Autowired
    private WxMpService wxMpOpenService;

    /**
     * 微信网页授权
     * @param returnUrl
     * @return
     * @throws UnsupportedEncodingException
     */
    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl) throws UnsupportedEncodingException {
        //1、配置
        //2、调用方法
        String url="http://zzyrestful.natapp1.cc/sell/weChat/userInfo";
        String redirectUrl= wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAUTH2_SCOPE_USER_INFO, URLEncoder.encode(returnUrl));
        return "redirect:"+redirectUrl;
    }

    @GetMapping("/userInfo")
    public  String userInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){

        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken=  wxMpService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("[微信网页授权]",e);
            throw new SellException(ResultEnum.WX_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId=  wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;
    }

    /**
     * 微信扫码登陆
     * @param returnUrl
     * @return
     * @throws UnsupportedEncodingException
     */
    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl) throws UnsupportedEncodingException {
        //1、配置
        //2、调用方法
        String url="http://zzyrestful.natapp1.cc/sell/weChat/arUserInfo";
        String redirectUrl= wxMpOpenService.buildQrConnectUrl(url, WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN, URLEncoder.encode(returnUrl));
        return "redirect:"+redirectUrl;
    }

    @GetMapping("/arUserInfo")
    public  String arUserInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){

        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken=  wxMpOpenService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("[微信网页登陆]",e);
            throw new SellException(ResultEnum.WX_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId=  wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;
    }

    public static void main(String[] args) {
        Set<String> sendUser = null;
        List<String> validUser = sendUser.stream().filter(p -> !StringUtils.isEmpty(p)).collect(Collectors.toList());

    }
}
